By Eva Åhrén ~ Originally published in Hidden Treasure: The National Library of Medicine, 2011. It was owned by Charles Darwin, Jean-Martin Charcot, Hermann von

By Eva Åhrén ~ Originally published in Hidden Treasure: The National Library of Medicine, 2011. It was owned by Charles Darwin, Jean-Martin Charcot, Hermann von
By Ginny A. Roth ~ If you can read this chart, then you may have very good vision. This international, multilingual eye-test chart is the